21
charge = 0
 C 1.950121 -0.673346 -1.146580
 C 3.418672 -0.932064 -0.841611
 C 4.246650 -0.946379 -2.117442
 C 3.939324 0.107872 0.158964
 C 5.353635 -0.096351 0.620975
 C 5.639947 -1.358934 1.373415
 C 6.301372 0.807469 0.389028
 H 1.550598 -1.423090 -1.834266
 H 1.818858 0.307881 -1.613996
 H 1.342836 -0.692783 -0.237644
 H 3.492675 -1.921879 -0.374162
 H 4.184511 0.020604 -2.627462
 H 3.886791 -1.711365 -2.810232
 H 5.301576 -1.140843 -1.912156
 H 3.279437 0.095529 1.036805
 H 3.846066 1.103300 -0.289373
 H 4.974430 -1.455995 2.237898
 H 6.671099 -1.387566 1.727580
 H 5.471563 -2.242493 0.749615
 H 6.088629 1.722163 -0.153893
 H 7.319328 0.665469 0.736439